Introduce misc_init_by_ofnode to probe a misc device using its ofnode.
Signed-off-by: Keerthy j-keerthy@ti.com --- drivers/misc/misc-uclass.c | 25 +++++++++++++++++++++++++ include/misc.h | 9 +++++++++ 2 files changed, 34 insertions(+)
diff --git a/drivers/misc/misc-uclass.c b/drivers/misc/misc-uclass.c index 55381edc98..835d3f7118 100644 --- a/drivers/misc/misc-uclass.c +++ b/drivers/misc/misc-uclass.c @@ -5,6 +5,8 @@
#include <common.h> #include <dm.h> +#include <dm/device-internal.h> +#include <dm/uclass-internal.h> #include <errno.h> #include <misc.h>
@@ -65,6 +67,29 @@ int misc_set_enabled(struct udevice *dev, bool val) return ops->set_enabled(dev, val); }
+int misc_init_by_ofnode(ofnode node) +{ + struct udevice *dev = NULL; + int ret; + long temp1, temp2; + + temp1 = ofnode_to_offset(node); + + for (ret = uclass_find_first_device(UCLASS_MISC, &dev); dev; + ret = uclass_find_next_device(&dev)) { + temp2 = ofnode_to_offset(dev_ofnode(dev)); + if (temp1 == temp2) { + ret = device_probe(dev); + if (ret) + debug("%s: Failed to initialize - %d\n", + dev->name, ret); + return ret; + } + } + + return -ENODEV; +} + UCLASS_DRIVER(misc) = { .id = UCLASS_MISC, .name = "misc", diff --git a/include/misc.h b/include/misc.h index 12d1325ee2..79263ed480 100644 --- a/include/misc.h +++ b/include/misc.h @@ -76,6 +76,15 @@ int misc_call(struct udevice *dev, int msgid, void *tx_msg, int tx_size, */ int misc_set_enabled(struct udevice *dev, bool val);
+/** + * misc_init_by_ofnode() - Probe a misc device by using ofnode. + * @node: ofnode of the misc device. + * + * A misc device is probed using ofnode. + * + * Return: -ve on error, 0 on success + */ +int misc_init_by_ofnode(ofnode node); /* * struct misc_ops - Driver model Misc operations *